281686980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 868589568

約数和(自身を除く): 586902588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 47, 60, 69, 86, 92, 94, 101, 115, 129, 138, 141, 172, 188, 202, 215, 230, 235, 258, 276, 282, 303, 345, 404, 430, 460, 470, 505, 516, 564, 606, 645, 690, 705, 860, 940, 989, 1010, 1081, 1212, 1290, 1380, 1410, 1515, 1978, 2020, 2021, 2162, 2323, 2580, 2820, 2967, 3030, 3243, 3956, 4042, 4324, 4343, 4646, 4747, 4945, 5405, 5934, 6060, 6063, 6486, 6969, 8084, 8686, 9292, 9494, 9890, 10105, 10810, 11615, 11868, 12126, 12972, 13029, 13938, 14241, 14835, 16215, 17372, 18988, 19780, 20210, 21620, 21715, 23230, 23735, 24252, 26058, 27876, 28482, 29670, 30315, 32430, 34845, 40420, 43430, 46460, 46483, 47470, 52116, 56964, 59340, 60630, 64860, 65145, 69690, 71205, 86860, 92966, 94940, 99889, 109181, 121260, 130290, 139380, 139449, 142410, 185932, 199778, 204121, 218362, 232415, 260580, 278898, 284820, 299667, 327543, 399556, 408242, 436724, 464830, 499445, 545905, 557796, 599334, 612363, 655086, 697245, 816484, 929660, 998890, 1020605, 1091810, 1198668, 1224726, 1310172, 1394490, 1498335, 1637715, 1997780, 2041210, 2183620, 2449452, 2788980, 2996670, 3061815, 3275430, 4082420, 4694783, 5993340, 6123630, 6550860, 9389566, 12247260, 14084349, 18779132, 23473915, 28168698, 46947830, 56337396, 70421745, 93895660, 140843490, 281686980]

約数ペア:

[(1, 281686980), (2, 140843490), (3, 93895660), (4, 70421745), (5, 56337396), (6, 46947830), (10, 28168698), (12, 23473915), (15, 18779132), (20, 14084349), (23, 12247260), (30, 9389566), (43, 6550860), (46, 6123630), (47, 5993340), (60, 4694783), (69, 4082420), (86, 3275430), (92, 3061815), (94, 2996670), (101, 2788980), (115, 2449452), (129, 2183620), (138, 2041210), (141, 1997780), (172, 1637715), (188, 1498335), (202, 1394490), (215, 1310172), (230, 1224726), (235, 1198668), (258, 1091810), (276, 1020605), (282, 998890), (303, 929660), (345, 816484), (404, 697245), (430, 655086), (460, 612363), (470, 599334), (505, 557796), (516, 545905), (564, 499445), (606, 464830), (645, 436724), (690, 408242), (705, 399556), (860, 327543), (940, 299667), (989, 284820), (1010, 278898), (1081, 260580), (1212, 232415), (1290, 218362), (1380, 204121), (1410, 199778), (1515, 185932), (1978, 142410), (2020, 139449), (2021, 139380), (2162, 130290), (2323, 121260), (2580, 109181), (2820, 99889), (2967, 94940), (3030, 92966), (3243, 86860), (3956, 71205), (4042, 69690), (4324, 65145), (4343, 64860), (4646, 60630), (4747, 59340), (4945, 56964), (5405, 52116), (5934, 47470), (6060, 46483), (6063, 46460), (6486, 43430), (6969, 40420), (8084, 34845), (8686, 32430), (9292, 30315), (9494, 29670), (9890, 28482), (10105, 27876), (10810, 26058), (11615, 24252), (11868, 23735), (12126, 23230), (12972, 21715), (13029, 21620), (13938, 20210), (14241, 19780), (14835, 18988), (16215, 17372)]